Exemplo n.º 1
0
        public async Task NotifyAsync(EventMessage message)
        {
            try
            {
                _ = message ?? throw new ArgumentNullException(nameof(message));

                State.MessageCount++;
                State.ByteCount           += message.Message.LongLength;
                State.LastMessageTimestamp = DateTime.UtcNow;

                if (!string.IsNullOrEmpty(State.Metadata.NotifyAddress))
                {
                    if (sink == null && !EventSinkFactory.IsInitialized)
                    {
                        IServiceIdentity identity  = GrainFactory.GetGrain <IServiceIdentity>("PiraeusIdentity");
                        byte[]           certBytes = await identity.GetCertificateAsync();

                        List <KeyValuePair <string, string> > kvps = await identity.GetClaimsAsync();

                        X509Certificate2 certificate = certBytes == null ? null : new X509Certificate2(certBytes);
                        List <Claim>     claims      = GetClaims(kvps);

                        sink             = EventSinkFactory.Create(State.Metadata, claims, certificate);
                        sink.OnResponse += Sink_OnResponse;
                    }

                    await sink.SendAsync(message);
                }
                else if (State.MessageLeases.Count > 0)
                {
                    foreach (var observer in State.MessageLeases.Values)
                    {
                        observer.Notify(message);
                    }
                }
                else
                {
                    if (State.Metadata.DurableMessaging && State.Metadata.TTL.HasValue)
                    {
                        await QueueDurableMessageAsync(message);
                    }
                    else
                    {
                        await QueueInMemoryMessageAsync(message);
                    }
                }

                await NotifyMetricsAsync();
            }
            catch (Exception ex)
            {
                await logger?.LogErrorAsync(ex, "Subscription notify.");
                await NotifyErrorAsync(ex);

                throw;
            }
        }
Exemplo n.º 2
0
        public async Task NotifyAsync(EventMessage message)
        {
            Exception error = null;

            State.MessageCount++;
            State.ByteCount           += message.Message.LongLength;
            State.LastMessageTimestamp = DateTime.UtcNow;

            try
            {
                if (!string.IsNullOrEmpty(State.Metadata.NotifyAddress))
                {
                    if (sink == null)
                    {
                        sink = EventSinkFactory.Create(State.Metadata);
                    }

                    await sink.SendAsync(message);
                }
                else if (State.MessageLeases.Count > 0)
                {
                    //send to actively connected subsystem
                    foreach (var observer in State.MessageLeases.Values)
                    {
                        observer.Notify(message);
                    }
                }
                else
                {
                    if (State.Metadata.DurableMessaging && State.Metadata.TTL.HasValue) //durable message queue
                    {
                        await QueueDurableMessageAsync(message);
                    }
                    else //in-memory message queue
                    {
                        await QueueInMemoryMessageAsync(message);
                    }
                }
            }
            catch (Exception ex)
            {
                Trace.TraceWarning("Subscription publish failed to complete.");
                Trace.TraceError("Subscription publish error {0}", ex.Message);
                error = ex;
                //GetLogger().Log(2, Orleans.Runtime.Severity.Error, "Subscription notification exception {0}", new object[] { State.Metadata.SubscriptionUriString }, ex);
            }

            await NotifyMetricsAsync();

            if (error != null)
            {
                await NotifyErrorAsync(error);
            }
        }
Exemplo n.º 3
0
        public async Task UpsertMetadataAsync(SubscriptionMetadata metadata)
        {
            try
            {
                _ = metadata ?? throw new ArgumentNullException(nameof(metadata));

                State.Metadata = metadata;
                await WriteStateAsync();

                if (sink != null)
                {
                    sink = EventSinkFactory.Create(State.Metadata);
                }
            }
            catch (Exception ex)
            {
                await logger?.LogErrorAsync(ex, "Subscription get metadata.");
                await NotifyErrorAsync(ex);

                throw;
            }
        }
Exemplo n.º 4
0
        public async Task NotifyAsync(EventMessage message)
        {
            Exception error = null;

            State.MessageCount++;
            State.ByteCount           += message.Message.LongLength;
            State.LastMessageTimestamp = DateTime.UtcNow;

            try
            {
                if (!string.IsNullOrEmpty(State.Metadata.NotifyAddress))
                {
                    if (sink == null)
                    {
                        if (!EventSinkFactory.IsInitialized)
                        {
                            IServiceIdentity identity  = GrainFactory.GetGrain <IServiceIdentity>("PiraeusIdentity");
                            byte[]           certBytes = await identity.GetCertificateAsync();

                            List <KeyValuePair <string, string> > kvps = await identity.GetClaimsAsync();

                            X509Certificate2 certificate = certBytes == null ? null : new X509Certificate2(certBytes);
                            List <Claim>     claims      = GetClaims(kvps);

                            sink = EventSinkFactory.Create(State.Metadata, claims, certificate);
                        }
                        else
                        {
                            sink = EventSinkFactory.Create(State.Metadata);
                        }
                    }

                    await sink.SendAsync(message);
                }
                else if (State.MessageLeases.Count > 0)
                {
                    //send to actively connected subsystem
                    foreach (var observer in State.MessageLeases.Values)
                    {
                        observer.Notify(message);
                    }
                }
                else
                {
                    if (State.Metadata.DurableMessaging && State.Metadata.TTL.HasValue) //durable message queue
                    {
                        await QueueDurableMessageAsync(message);
                    }
                    else //in-memory message queue
                    {
                        await QueueInMemoryMessageAsync(message);
                    }
                }
            }
            catch (Exception ex)
            {
                Trace.TraceWarning("Subscription publish failed to complete.");
                Trace.TraceError("Subscription publish error {0}", ex.Message);
                error = ex;
                //GetLogger().Log(2, Orleans.Runtime.Severity.Error, "Subscription notification exception {0}", new object[] { State.Metadata.SubscriptionUriString }, ex);
            }

            await NotifyMetricsAsync();

            if (error != null)
            {
                await NotifyErrorAsync(error);
            }
        }